Spinning-in device



April 20, 1954 E. J. GRISET, JR 2,675,690

SPINNING-IN DEVICE 'iled Nov. 16, 1951 l N VENTOR llmerielnkeefi:

ATTORNEY Patented Apr. 20, 1954 g 2,675,696 SPINNING-IN DEVICE Ernest J. Griset, Ir., 'Asheville, N..C., assignor to v American ,Enka Corporation, ,Enka, N. 0., a,

corporation of Delaware Application November 16, 1951, Serial No. 256,631

2 Claims (01. sit-13D i The present invention relates to the liquid treatment of threads running in a system of tubes and more particularly to the introduction of the yarn or thread to be treated into the first tube of the system.

In tube spinning the liquid in each tube acts not only as the treating agent but also as the propelling agent for the thread. The tubes are small and the liquid flows in them at high velocity with the result that the matter of getting the'thread to intersect the fluid for entrainment thereby presents considerable difficulty. The magnitude of this difiiculty can be appreciated when it is borne in mind that the tube is usually threaded with an end running at a speed of from sixty to one-hundred and fifty meters per minute while the fiuid is moving in the tube at an even higher rate.

When the problem described above was finally solved, it was by guiding the running thread to a temporary storage device through a path having a point lying adjacent the ingress end of the first tube of the system, cutting the thread near said point and washing the running end into the tube. Further experimentation has confirmed the soundness of this principle of operation but difiiculties have been encountered in attempts to simplify the structure of the equipment for providing the thread path and the liquid which washes the thread into the ingress end of the first tube. Various devices to this end are described in application Serial No. 244,115, filed August 29, 1951, and it is an object of this invention to solve the same problem by means which are more rugged, more simple to construct, and easier to operate than were heretofore known.

This invention, therefore, relates to introducing a running thread into a high-velocity liquid stream and has for its objects improved reliability, very low initial and maintenance cost and a high degree of operator convenience.

Other objects and advantages of this invention will be apparent upon consideration of the following detailed description thereof in conjunction with the annexed drawings, wherein:

Figure 1 is a view partially in section and partially in elevation showing a combined thread guide and water supply apparatus according to the present invention in association with the ingress end of one tube of a tube-spinning system; and

Figure 2 is a view in elevation of the combined thread guide and water supply apparatus of the present invention taken from a position 90 to the right of the position of the same apparatus in Figure 1.

Before describing in detail the thread-intro ing a feeding-in portion ll terminating ina nozzle and a treatment portion l2 having a" funnel mouth spaced from the nozzle end of the portion to define a venturi at'l3. Above the venturi at l3 there is shown a movable trough I 4 (although it may be fixed) in a position to discharge into a fixed trough IS, the latter being positioned to discharge into the venturi at I3. The movable trough l4 isin the full-line position of Figure 1 during spinning-in and may be thereafter moved to the broken-line position of that figure in the event it is difficult to shut ofi the water supply immediately.

When spinning-in is to be initiated, the tube H and the other tubes of the system which are not shown are supplied with water or treating liquid. The thread is introduced into the funnel mouth l3 of the tube l2 and is treated and propelled by the liquid entering the tube [2 from the tube II. The entire system, except for the new thread introducing device is fully shown in copending application Serial No. 122,560, filed October 20, 1949, the disclosure of which is incorporated by reference herein.

The combined spiggot and thread guide of the present invention is comprised entirely of a single tube I6. This tube is connected to a water-feed line I! at its upper end and is supported above the housing i0 by a bracket [8. From the point of connection to the water supply line [1 the tube I6 is continuous until a point is reached where the tube extends in a generally vertical plane above the movable trough l4. At that point the tube 16 is cut away as is clearly shown in Figure 2 to provide an elongate trough terminating at the lower end of the tube 16. At said lower end the tube I6 is provided with a notch I 9 between the sides of the channel. Through this notch thread may be withdrawn to a temporary collecting device diagrammatically indicated at 20.

When spinning-in is to be initiated and the liquids are running in the tubes of the system, thread 2| from a suitable source not shown, is led vertically downwardly through the trough provided by the cutting or milling out of the tube I 6 to the notch at [9 at which point its The system involves a" direction is sharply changed and it is led somewhat upwardly to a waste collection device 20. A flow of water is started in the conduit IT with a resulting cascade over the thread in the channel portion of the tube 16, the cascade discharging into the movable trough M, the stationary trough l5 and intersecting the path of liquid from the tube H to the tube l2, When this condition prevails, the operator cuts the thread 2| at the point X, see Figure 1, whereby the running end is washed through the movable trough I4 and the fixed trough [5 into intersecting relation with the stream flowing from the tube II to the tube I2. The running end is entrained by that stream and carried into the tube 12 and so on throughout the system in accordance with the disclosure of application Serial No. 122,560, filed October 20, 1949. The end to the left of the point X of Figure 1 is, of course, reeled up on the temporary collecting device.

It is found that the device of the present invention, because of the length of the channel produced by milling away of one side of the tube l6, reliably guides the thread into the path of the liquid so that it is accurately and surely guided by the liquid to the desired point of intersection with the main stream. It is apparent that the device of the present invention is rugged, durable and about as simple as anything can be comprising as it does but a single part. In use,

once the thread has been introduced to the tube l2, water in the conduit I! is cut off and the thread runs directly in the chain-line path of Figure 1 around a guiding roller 22 to the funnel l3 and it is unnecessary to move trough I4 to the dotted line position.

While the tube I6 is described as being milled or cut to produce the generally vertical channel, it is, of course, apparent that the same structure can be produced by casting. The tube may be made of any material that is sufficiently resistant to corrosion, lead being particularly suitable.

What is claimed is:

l. Spinning-in device for introducing a thread into a low-pressure zone of a high-velocity stream of liquid that comprises thread delivery means disposed above the zone, a waste thread collecting device disposed above the zone, a generally vertically extending channel terminating in a notch at its lower end disposed between the sides of the channel, said channel having its upper end below the thread delivery means and its notch above said zone but below the Waste collecting device and a tubular conduit constituting an integral part of said channel for de livering liquid to the upper end thereof.

2. Spinning-in apparatus: for introducing a thread into a low-pressure zone of a high-velocity stream of liquid that comprises, jet means to direct a high velocity stream of water to said zone, a channel generally vertically disposed above said jet means and a tubular conduit constituting an interal part of said channel to deliver liquid thereto, and means to deliver thread to said channel near the upper end thereof.

References Cited in the file of this patent UNITED STATES PATENTS Number Name Date 1,180,267 Palmer Apr. 18, 1916 2,413,413 McDermott Dec. 31, 1946 2,539,980 Van Hall Jan. 30, 1951 

